Stocks that are moving substantially or trading heavily Thursday on the New York Stock Exchange and the Nasdaq Stock Market:
NYSE
Media General Inc., up $1.59 at $16.40
To reduce operating costs, the newspaper publisher and television station operator will cut nearly 11 percent of its work force by October.
Barnes & Noble Inc., down 8 cents at $29.87
The bookseller put together a management team to study the feasibility of a combination with rival Borders Group Inc.
Ford Motor Co., down 64 cents at $7.16
The auto maker is cutting North American production of pickups and SUVs as more consumers are choosing fuel-efficient models.
Calpine Corp., up $1.72 at $23
NRG Energy Inc. offered to buy the power company for $11.3 billion in stock to help it weather volatility of electricity prices.
Zale Corp., up $2.53 at $21.17
The specialty jeweler posted a bigger fiscal third-quarter loss, but sales rose 6 percent and topped expectations.
Moody's Corp., down $2.40 at $34.51
The credit ratings agency is looking to see if computer errors mistakenly assigned top-quality ratings to debt in Europe that didn't deserve high marks.
Dick's Sporting Goods Inc., down $4.29 at $22.25
Poor sales at established stores and a soft U.S. economy caused the sporting goods retailer to cut its 2008 profit forecast.
NASDAQ
Apple Inc., down $1.14 at $177.05
Shares dropped, even as an Oppenheimer analyst started coverage of the iPod maker at "Outperform" with a $235 price target, predicting strong demand for the next-generation iPhone.